AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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Authors: KALMAN KLÁRA, HANŢIU IACOB.
DOI: 10.24193/subbeag.65(1).07
Published Online: 2020-06-30
Published Print: 2020-06-30
pp. 65-78
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Introduction: Although the body mass index (BMI) has been widely used as a measure of adiposity, in fact, it is a measure of excess weight relative to height, rather than excess body fat. Other measurements of adiposity, such as waist circumference, waist-hip ratio (WHR) and skinfold thickness supplement information regarding the body fatness. In order to counteract some of the limits of BMI, it has been suggested the introduction of a new way of calculating the percentage of body fat, namely the body adiposity index (BAI). Objectives: This study was conducted to analyze the relevance and relationships between BMI, IAC, waist circumference, waist-hip ratio and the percentage of adiposity in adult women. Subjects and methods: This study involved 95 adult women, who practiced physical activities in two gyms in Oradea, for 12 months, between February 2015 and June 2016. Anthropometric measurements were performed: height, weight, girths, skinfolds. It was calculated the BMI, BAI, WHR, body composition, body fat percentage (BF%) based on the five skinfolds measures. Data were statistically analyzed with SPSS, version 20.0 (descriptive analysis, comparison of means and correlations). Results: The effect of the workouts in the gyms was the significant reduction of the values of the adiposity parameters of the analyzed subjects, except for the waist-hip ratio. The relationship between BMI, BAI, waist circumference and waist-hip ratio with BF% was statistically significant, both at initial and at final evaluation, but the correlations of BF% with BMI (initially r = 0.824, final r = 0.750) and waist circumference (initial r = 0.812, final r = 0.737) were stronger than those with IAC (initial r = 0.739, final r = 0.688) and the waist-hip ratio (initial r = 0.445, final r = 0.484). Conclusions: The physical activities performed by adult women in gyms had the effect of reducing body fat. The present study shows the relevance of anthropometric parameters: current BMI-based classifications for overweight and obesity are superior to the BAI-based measurements for determining overweight and obesity; BAI overestimates body fat in individuals with a low BF%; the waist-hip ratio does not reflect the degree of overweight.
Keywords: body adiposity index, body mass index, waist circumference, waist-hip ratio, body fat percentage, adult women.
